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GPU Comparison
AMD Radeon HD 7750 vs AMD Radeon R9 285
AMD Radeon HD 7750 vs AMD Radeon R9 285
VS
AMD Radeon HD 7750
AMD Radeon R9 285
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7750 and 2GB VRAM Radeon R9 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7750 's Advantages
Lower TDP (55W vs 190W)
AMD Radeon R9 285 's Advantages
Released 2 years and 7 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (176.0GB/s vs 72.00GB/s)
1280 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7750
0.819 TFLOPS
Radeon R9 285
+301%
3.29 TFLOPS
Radeon HD 7750
VS
Radeon R9 285
Graphics Card
Feb 2012
Release Date
Sep 2014
Southern Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1125 MHz
Memory Clock
1375 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
72.00GB/s
Bandwidth
176.0GB/s
Render Config
-
SM Count
-
8
Compute Units
28
512
Shading Units
1792
32
TMUs
112
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
12.80 GPixel/s
Pixel Rate
29.38 GPixel/s
25.60 GTexel/s
Texture Rate
102.8 GTexel/s
-
FP16 (half)
3.290 TFLOPS
819.2 GFLOPS
FP32 (float)
3.290 TFLOPS
51.20 GFLOPS
FP64 (double)
205.6 GFLOPS
Graphics Processor
Cape Verde
GPU Name
Tonga
Cape Verde PRO
GPU Variant
Tonga PRO (215-0851128)
GCN 1.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
5 billion
123 mm²
Die Size
366 mm²
Board Design
55W
TDP
190W
250 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
2x 6-pin
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2.170
-
CUDA
-
5.1
Shader Model
6.5
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